A High Humus Content Makes Soil Appear

question 59

Multiple Choice

A high humus content makes soil appear:

• A)red
• B)black
• C)yellow
• D)gray

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Definitions:

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, giving rise to the epidermis and nervous system.

Oral Cavity

The mouth; consists of the space surrounded by the lips, cheeks, teeth, and palate; limited posteriorly by the fauces.

Adrenal Glands

Endocrine glands that produce a variety of hormones including adrenaline and cortisol, located above the kidneys.

Posterior Pituitary

A part of the brain that releases hormones produced in the hypothalamus, like vasopressin and oxytocin.